Physical and Chemical Changes

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Across
  1. 3. A state of matter in which the molecules are held tightly together
  2. 5. Elements are written as a chemical ________.
  3. 9. The release of condensed matter back to the ground: sleet, snow, hail or rain
  4. 10. Anything that has mass and takes up space.
  5. 12. The solid state of water
  6. 14. A ________ is a substance that is made by combing two or more elements.
  7. 15. The temperature at which a solid turns into a liquid is called the _______ point.
  8. 16. Compounds are written as a chemical ________.
  9. 18. Gasses do not have a definite ______.
  10. 19. The name given to the state of matter in which the particles can move about freely.
  11. 20. ________ is the state of matter in where molecules take the shape of the container.
Down
  1. 1. A pure substance made of only one type of atom
  2. 2. When a gas is formed during a chemical reaction ____ form.
  3. 4. The temperature at which a liquid turns into a gas is called the _______ point.
  4. 6. The invisible force that pulls matter towards the center of major planetary bodies
  5. 7. Matter may exist is many _______ such as solid, liquid or gas.
  6. 8. The amount of space that matter occupies is referred to as _________.
  7. 9. A new solid that is formed by a chemical reaction.
  8. 11. Created when iron chemically reacts to oxygen.
  9. 13. A ________ reaction is an interaction of two or more molecules to create a chemical change.
  10. 15. The amount of matter that a substance contains is called ________.
  11. 16. The _________ point is the temperature at which a liquid becomes a solid
  12. 17. Features that include the color, mass, volume, density, etc. are called _______ properties.